#include <stdio.h>

int main(int argc, char *argv[])
{
    int arr[4] = {0};

    printf("Please input 4 numbers:");
    scanf("%d%d%d%d", &arr[0], &arr[1], &arr[2], &arr[3]);

    for (int i = 0; i < 4; i++) {
        printf("arr[%d] = %d\n", i, arr[i]);
    }

    return 0;
}
